From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B61CFC4338F for ; Wed, 28 Jul 2021 14:32:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9396860F5E for ; Wed, 28 Jul 2021 14:32:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235345AbhG1Ocd (ORCPT ); Wed, 28 Jul 2021 10:32:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235464AbhG1Ocd (ORCPT ); Wed, 28 Jul 2021 10:32:33 -0400 Received: from mail-vs1-xe36.google.com (mail-vs1-xe36.google.com [IPv6:2607:f8b0:4864:20::e36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0206C061765 for ; Wed, 28 Jul 2021 07:32:31 -0700 (PDT) Received: by mail-vs1-xe36.google.com with SMTP id j19so1573646vso.0 for ; Wed, 28 Jul 2021 07:32:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=EJo0PHoVbiVKIGpz4WbEXWXkHC4bfOhyP6K61KoB2LM=; b=S395aemGWoIdwNFYBBqyRA8mmCGQwttnLueWYxgibXsl/9W9ctYNpsyNsdJ7suhCFl iH9a/7h92eGx82xC6tg4Zs2lOEIeZg85gZbNLH47hCl1haxCJBTa2gL3dD8ezJOaoPpD CCY+Bl6InYozLIUDPOSDUU/WkLEF6OyWS4WCo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=EJo0PHoVbiVKIGpz4WbEXWXkHC4bfOhyP6K61KoB2LM=; b=FgLyzEqBIx8g35qhm8U7xl6UZm1y3hPR4RB/ZhR1V0TzM518L2uE63yunVw/yv0lBF lOc/QjpJiuDl31gmrReGT1ZzkGQTMUTU4TVZIeKZ3N2uH4RM3bXGGt1CRsSfQf/qwY4g Qtv+9lnP2DEs2aZdLzhza3HNG7nkcqmj+YQvrUWuvLC43213jSKJ69O1V1216qZNrc1K WhnQf6S+2YhbVx/8/xWLOh2BzUbQyzVnRgjMAKytJkle5yjHnAMLy12zk0QQBYGY2BvF YQmW7/oJN9aRX+EP8yh2rYjBDwFyCwrYdRZ2RIIV7LB3hsDVDfQcu7MXl+pbhaoaU5nj 3T+Q== X-Gm-Message-State: AOAM533HOnj+gGdkytvHkw090P/14Of56OfMdG+E8fsYD1SN9ap7NDfw ZH/SskhBLWAEW7HXAeAGWIafjG8d+3QuuskuF2Tv9A== X-Google-Smtp-Source: ABdhPJykaCzneBxaJdJtv56s3tLVJvYpO/nycTzEPfmIqI1jhBvMvWYg6rp0W6fqxmetTLMPXxBObPZmifwXmXznxhM= X-Received: by 2002:a05:6102:2ca:: with SMTP id h10mr22658074vsh.7.1627482751123; Wed, 28 Jul 2021 07:32:31 -0700 (PDT) MIME-Version: 1.0 References: <00000000000052a12105c82facde@google.com> In-Reply-To: <00000000000052a12105c82facde@google.com> From: Miklos Szeredi Date: Wed, 28 Jul 2021 16:32:20 +0200 Message-ID: Subject: Re: [syzbot] possible deadlock in iter_file_splice_write (2) To: syzbot Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, overlayfs , Miklos Szeredi , syzkaller-bugs , Al Viro Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next